Panasonic KX-TDA600 - Hybrid IP PBX Control Unit Max. 1008 Ports Installation Manual page 94

2.2 Installation of the Hybrid IP-PBX
5.
Plug each Bus Cable into the corresponding port of the BUS-M card in the Basic Shelf. Then, plug the
other end into the BUS-S card in each Expansion Shelf.
Note
When plugging or unplugging the Bus Cables, make sure that the DC power supply is turned off.
Bus Cable
94 Installation Manual
For Expansion
Shelf 3
For Expansion
Shelf 2
For Expansion
Shelf 1